Marion County
URL: https://knowledge.ivjn.us/en/places/in-marion-county.html

Marion County is a county in Indiana, United States, with county seat Indianapolis.

## Administrative divisions

Marion County is a county in Indiana, United States; the county seat is Indianapolis[^uscb2023].

## Basic facts

- State: [Indiana](https://knowledge.ivjn.us/en/places/indiana.html)
- County seat: Indianapolis[^uscb2023]
- Division level: county[^uscb2023]

## Parent division

Located in [Indiana](https://knowledge.ivjn.us/en/places/indiana.html).

Updated: 2026-10-29

Relations:
- Located in: Indiana https://knowledge.ivjn.us/en/places/indiana.html
- Contains places: Indianapolis https://knowledge.ivjn.us/en/places/in-indianapolis.html

Mentioned in:
- Indiana https://knowledge.ivjn.us/en/places/indiana.html

Sources:
- Marion County (Wikipedia) https://en.wikipedia.org/wiki/Marion_County
- U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html